2987648956 has 12 divisors (see below), whose sum is σ = 5228790840. Its totient is φ = 1493708720.

The previous prime is 2987648947. The next prime is 2987648999. The reversal of 2987648956 is 6598467892.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58455 + ... + 96913.

It is an arithmetic number, because the mean of its divisors is an integer number (435732570).

Almost surely, 2^2987648956 is an apocalyptic number.

It is an amenable number.

2987648956 is a deficient number, since it is larger than the sum of its proper divisors (2241141884).

2987648956 is a wasteful number, since it uses less digits than its factorization.

2987648956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57884 (or 57882 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 64.

The square root of 2987648956 is about 54659.3903734756. The cubic root of 2987648956 is about 1440.2675936602.

It can be divided in two parts, 298764 and 8956, that added together give a triangular number (307720 = T₇₈₄).

The spelling of 2987648956 in words is "two billion, nine hundred eighty-seven million, six hundred forty-eight thousand, nine hundred fifty-six".